Equipment unit · VIN-decoded · NHTSA vPIC

2023 Mack Anthem

1M1AN4GY0PM036556 · Truck-Tractor · TRUCK
Carriers run under2
35 mo
Inspections8
all-time
OOS inspections1
of 8
First seenAug 26, 2023
NC
Last seenJul 30, 2026
IL
Inspected under 2 different carriers in 35 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

VIN
1M1AN4GY0PM036556
Make
Mack
Model
Anthem
Model year
2023
Body class
Truck-Tractor
Vehicle type
TRUCK
GVWR
Class 8: 33,001 lb and above (14,969 kg and above)
Decoded at
Jun 21, 2026
vPIC returns make / model / year / body class / GVWR. Fields it does not resolve are shown as Not decoded rather than guessed.
02

Inspection history

Every roadside inspection of this VIN, newest first · Aug 26, 2023 – Jul 30, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Jul 30, 2026ILI · Full0—GSM TRANSPORT COMPANY 1489284P1090855/IL
Jul 24, 2025MSIII · Driver-only0—CHIEF EXPRESS LLC 759924NV9043/NC
Mar 10, 2025TNI · Full1OOSCHIEF EXPRESS LLC 759924NV9043/NC
Feb 5, 2025TNI · Full0—CHIEF EXPRESS LLC 759924NV9043/NC
Jul 17, 2024NCI · Full0—CHIEF EXPRESS LLC 759924NV9043/NC
Feb 8, 2024NCI · Full0—CHIEF EXPRESS LLC 759924NV9043/NC
Dec 14, 2023NCI · Full0—CHIEF EXPRESS LLC 759924NV9043/NC
Aug 26, 2023NCI · Full0—CHIEF EXPRESS LLC 759924NV9043/NC
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
GSM TRANSPORT COMPANY1489284Jul 30, 2026Jul 30, 20261IL
CHIEF EXPRESS LLC759924Aug 26, 2023Jul 24, 20257NC
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
P1090855IL1GSM TRANSPORT COMPANYJul 30, 2026 → Jul 30, 20261
NV9043NC—CHIEF EXPRESS LLCAug 26, 2023 → Jul 24, 20257
Sources: FMCSA SAFER · L&I · NHTSA vPIC · decoded Jun 21, 2026